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Old 01-18-2006, 11:48 PM
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I need some Advice

I need some advice, I have an 83 Firebird with a 455 gto engine in it,its got ported and polished heads, a 4 angle valve job, bored 60 over, having a little problem keeping it cool, ive changed the thermostat to a 190 degree, got an afco racing radiator along with 2 electric fans and it was hitting 260 degrees, good thing i dont have aluminum heads or i would have warped them, i recently jus bought a miloden high volume water pump... what are the chances thats gonna be able to help it keep cool?
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Old 01-19-2006, 11:35 AM
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Keeping it cool

Check your timing..if it's advanced to much your engine will run a bit hotter than usual and be difficult to start when hot. Add water wetter to the coolant, that will help drop the temp just a bit also. Do you have the correct water to coolant percentage...50/50 mix is suggested. Run a fan shroud to direct the air flow through the radiator and not around it. Don't run one of those light-weight 4 blade fans, they don't pull enough air to cool the radiator, use a stock 5 blade and or one with a fan clutch..please get back to us and tell us if this helps solve your problem.

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Old 01-19-2006, 06:51 PM
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Woaaaa!!! Man it hit 260*?? Geez, I **** myself if I see mine creeping up slowly past the 230 mark That can't be good for your tranny either and other stuff starts breaking down and cooking but blah blah blah, enough of my nagging. 99% agree completely with tm454 about his advice. Go with a belt driven fan if space permits and definately have a shroud to direct the flow through the radiator and don't be the dummy who installs the fan backwards lol. Only thing I don't agree about/not sure about is the watter wetter stuff, I'm pretty skeptical about it working but it might so give it a try. That mother of an engine's going to be a lil tougher to keep cooler but see if you can switch to a clutch fan setup like was mentioned before or a good "production" not aftermarket, electric fan. That new water pump won't really help you at all so don't be surprised if that doesn't fix it.
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Old 01-19-2006, 08:13 PM
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not enough room

i would run a clutch fan, but space is limited, is there ne other way, i know the timing is advanced but im not sure by how much, i have a friend thatll check it out, but if the timing aint it, then im not sure what to do, ne suggestions.?
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